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Claude Sonnet 5.5

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Headlines · 5

  1. OpenAI and Anthropic face a holiday of agents, pricing and scrutiny

    A roundup from Huxiu describes a crowded holiday period for OpenAI and Anthropic, including the reported delay of GPT-6.1 Astra, the launch of Dots and GPT-6.1 Sol, financing activity, product changes, and regulatory hearings. It argues that competition is shifting from model capability alone toward agent execution, cost efficiency, safety controls, and enterprise access, while several incident and product claims remain attributed to media reports or company statements.

    虎嗅 AI · 🔥 8
  2. OpenAI Brakes on Agent Safety as Meta Keeps Pushing

    A Hu Xiu AI analysis contrasts OpenAI’s reported decision to pause training, evaluation and tool use for an advanced agent after internal sandbox incidents with Meta CEO Mark Zuckerberg’s opposition to collectively slowing AI development. The article argues that both pre-release safety gates and post-release market or legal accountability remain incomplete, citing reported vulnerabilities affecting Meta’s Muse and broader concerns about agent autonomy.

    虎嗅 AI · 🔥 4
  3. Anthropic expands Cyber Verification Program to three access tiers for security teams

    Anthropic is expanding its Cyber Verification Program (CVP) and folding the separate Project Glasswing into it as a single offering with three tiers — Defense Access, Red Team Access and Specialized Access — giving vetted security teams reduced safety blocks on Claude Opus 5.5, Claude Sonnet 5.5 and Claude Mythos 5.1. On Anthropic's CyScenarioBench, Claude Opus 5.5 was blocked on all 50 trials without CVP access, 46 of 50 under Defense Access, and none under Red Team Access, where it completed 34 of 50 — equivalent to the 67.6% success rate with no safeguards. Anthropic also says Glasswing partners found at least 129,000 verified software vulnerabilities between April and July 2026, more than 33,000 of them critical or high severity, plus 5,500 from its own open-source scanning; it calls these numbers a significant undercount.

    Anthropic · News · 🔥 37
  4. Claude Code on Amazon Bedrock comes to AWS GovCloud for regulated work

    An AWS Machine Learning Blog post walks through configuring Anthropic's agentic coding tool Claude Code on Amazon Bedrock in AWS GovCloud (US) regions. The post states Claude Opus 5.5 and Claude Sonnet 5.5 are available there, with Claude Sonnet 5 holding FedRAMP Class D certification and DoD IL4/IL5 authorization, aimed at regulated or ITAR-bound workloads. It details three setup routes — an interactive wizard, manual environment variables, and the Bedrock Mantle endpoint — plus enterprise guidance on pinning model versions, per-user token quotas, IAM Identity Center governance and cost monitoring.

    AWS Machine Learning Blog · 🔥 3
  5. Replit adds GPT-6.1 Sol and Claude Sonnet 5.5, plus Jev agent integration

    Replit's changelog lists last week's shipments: the platform now lets users build with the new GPT-6.1 Sol and Claude Sonnet 5.5 models, and lets agents call Jev through an AI integration. It also updated the Settings UI and added enterprise Workplace controls for company-wide rules or controlled exceptions. No details were given on model capabilities, pricing or availability limits.

    Replit · 🔥 0

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